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https://issues.apache.org/jira/browse/BEAM-907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles resolved BEAM-907.
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Resolution: Fixed
Fix Version/s: 0.4.0-incubating
> Allow user to use a specific subclass of BoundedWindow in DoFn parameter lists
> ------------------------------------------------------------------------------
>
> Key: BEAM-907
> URL: https://issues.apache.org/jira/browse/BEAM-907
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Kenneth Knowles
> Assignee: Kenneth Knowles
> Priority: Minor
> Fix For: 0.4.0-incubating
>
>
> Today, the user adds a {{BoundedWindow}} parameter to {{DoFn}} in order to
> get access to the window of an element. In contrast, for
> {{RestrictionTracker}} and {{State}} the user can place a concrete subclass.
> We can add this feature pretty easily for the window, saving the user a cast.
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